; RUN: opt < %s -loop-reduce -disable-output target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" target triple = "i686-apple-darwin9" define i8* @foo( i8* %ABC) { entry: switch i8 0, label %bb129 [ i8 0, label %UnifiedReturnBlock i8 9, label %UnifiedReturnBlock i8 32, label %UnifiedReturnBlock i8 35, label %UnifiedReturnBlock i8 37, label %bb16.preheader ] bb16.preheader: ; preds = %entry br label %bb16 bb16: ; preds = %cond_next102, %bb16.preheader %indvar = phi i32 [ %indvar.next, %cond_next102 ], [ 0, %bb16.preheader ] ; <i32> [#uses=2] %ABC.2146.0.rec = mul i32 %indvar, 3 ; <i32> [#uses=1] br i1 false, label %UnifiedReturnBlock.loopexit, label %cond_next102 cond_next102: ; preds = %bb16 %tmp138145.rec = add i32 %ABC.2146.0.rec, 3 ; <i32> [#uses=1] %tmp138145 = getelementptr i8* %ABC, i32 %tmp138145.rec ; <i8*> [#uses=4] %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] switch i8 0, label %bb129.loopexit [ i8 0, label %UnifiedReturnBlock.loopexit i8 9, label %UnifiedReturnBlock.loopexit i8 32, label %UnifiedReturnBlock.loopexit i8 35, label %UnifiedReturnBlock.loopexit i8 37, label %bb16 ] bb129.loopexit: ; preds = %cond_next102 br label %bb129 bb129: ; preds = %bb129.loopexit, %entry ret i8* null UnifiedReturnBlock.loopexit: ; preds = %cond_next102, %cond_next102, %cond_next102, %cond_next102, %bb16 %UnifiedRetVal.ph = phi i8* [ %tmp138145, %cond_next102 ], [ %tmp138145, %cond_next102 ], [ %tmp138145, %cond_next102 ], [ %tmp138145, %cond_next102 ], [ null, %bb16 ] ; <i8*> [#uses=0] br label %UnifiedReturnBlock UnifiedReturnBlock: ; preds = %UnifiedReturnBlock.loopexit, %entry, %entry, %entry, %entry ret i8* null } define i8* @bar() { entry: switch i8 0, label %bb158 [ i8 37, label %bb74 i8 58, label %cond_true i8 64, label %bb11 ] bb11: ; preds = %entry ret i8* null cond_true: ; preds = %entry ret i8* null bb74: ; preds = %entry ret i8* null bb158: ; preds = %entry ret i8* null }